101212201121010 has 64 divisors (see below), whose sum is σ = 277821080064000. Its totient is φ = 23116678126272.

The previous prime is 101212201120903. The next prime is 101212201121027. The reversal of 101212201121010 is 10121102212101.

It is a happy number.

101212201121010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182423110 + ... + 182977089.

It is an arithmetic number, because the mean of its divisors is an integer number (4340954376000).

Almost surely, 2^{101212201121010} is an apocalyptic number.

101212201121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212201121010 is an abundant number, since it is smaller than the sum of its proper divisors (176608878942990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212201121010 is a wasteful number, since it uses less digits than its factorization.

101212201121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365401535.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212201121010 its reverse (10121102212101), we get a palindrome (111333303333111).

The spelling of 101212201121010 in words is "one hundred one trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, ten".